
Old instruments
Folder: Astronomy
04 Jul 2015
5 favorites
2 comments
Rosse's 6-foot telescope at Birr
This telescope, the largest in the world for over 70 years, was constructed in the 1840's by the Third Earl of Rosse. With it he discovered the spiral nature of certain nebulae, f.i. M51
Gregorianischer und jüdischer Kalender
Befindet sich im Alten Synagoge in Essen.
31 Jan 2015
4 favorites
5 comments
Tiefste Tief in Grossensee
Wenn dieser Barometer erzählen könnte........
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